Fix merge behaviours of configs

Rakefile

@@ -61,7 +61,11 @@ namespace :build do
     aggregation = src.reduce({}) do |acc, file|
       full_path = path_in_project(file)
       y = YAML.safe_load(File.read(full_path))
-      acc.deep_merge(y)
+      acc.deep_merge!(
+        y,
+        sort_merged_arrays: true,
+        extend_existing_arrays: true,
+      )
     end
 
     target_full_path = path_in_project(to)

ci/rubocop.rails.yml

@@ -15,10 +15,10 @@
 ---
 AllCops:
   Exclude:
-  - vendor/**/*
   - db/**/*
-  - tmp/**/*
   - db/schema.rb
+  - tmp/**/*
+  - vendor/**/*
   DisplayCopNames: false
   StyleGuideCopsOnly: false
   TargetRubyVersion: 3.1
@@ -78,7 +78,7 @@ Style/ClassVars:
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-class-vars
   Enabled: false
 Style/CollectionMethods:
-  Enabled: true
+  Enabled: false
   PreferredMethods:
     find: detect
     inject: reduce
@@ -232,7 +232,7 @@ Naming/BinaryOperatorParameterName:
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#other-arg
   Enabled: false
 Metrics/ParameterLists:
-  Description: Avoid parameter lists longer than three or four parameters.
+  Description: Avoid long parameter lists.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#too-many-params
   Enabled: true
   Max: 5

ci/rubocop.yml

@@ -14,9 +14,9 @@
 ---
 AllCops:
   Exclude:
-  - vendor/**/*
   - db/**/*
   - tmp/**/*
+  - vendor/**/*
   DisplayCopNames: false
   StyleGuideCopsOnly: false
   TargetRubyVersion: 3.1
@@ -75,7 +75,7 @@ Style/ClassVars:
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#no-class-vars
   Enabled: false
 Style/CollectionMethods:
-  Enabled: true
+  Enabled: false
   PreferredMethods:
     find: detect
     inject: reduce
@@ -229,7 +229,7 @@ Naming/BinaryOperatorParameterName:
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#other-arg
   Enabled: false
 Metrics/ParameterLists:
-  Description: Avoid parameter lists longer than three or four parameters.
+  Description: Avoid long parameter lists.
   StyleGuide: https://github.com/bbatsov/ruby-style-guide#too-many-params
   Enabled: true
   Max: 5

src/rubocop/rubocop.ribose.yml

@@ -66,9 +66,11 @@ Style/CollectionMethods:
 Style/TrailingCommaInArguments:
   EnforcedStyleForMultiline: comma
 
-# From 322cb2c179a721fed382a691124185a01811cf11
+# Contrary to what hound apparently prefers
+# (see 322cb2c179a721fed382a691124185a01811cf11),
+# we prefer trailing dots.
 Layout/DotPosition:
-  EnforcedStyle: leading
+  EnforcedStyle: trailing
 
 # Delete following lines after migrating to Rubocop 2.x, as these checks
 # will be enabled by default.